20+ Years Research & Manufacturing Experience
HangZhou Longwin Power Limited owns three major production bases.The total area covers 270,000 square meters.It has an experienced and well-educated team and our products posses more than 100 patents on electronic technology,battery technology and chemical application engineering.
We offer OEM,ODM and advanced customization services to meet various needs from different clients.Our products have passed CE,ROHS,SONCAP,UL,ISO and other certifications and are exported to Asia,Africa,Europe,the Middle East,the Americas and other regions.We aim to provide the green,energy-saving and safe electrical energy safety emergency products for global users.Professional sales managers and technical engineers provide you thoughful services:short lead time and prompt delivery;3year warranty with worry-free after-sales service.
No doubt that HangZhou Longwin Power Limited is your best are reliable business partner!
Meet Our Team
with over 20 years of experience
Frequently Asked Questions
Here are some answers to the questions we receive the most about our services.
If we missed anything, please do not hesitate to contact us. We’ll be happy to help
We are a factory more than 20years experience to provide good quality with competitive price
Ready sample;7 working days for bulk order after your deposit is confirmed.
Yes, OEM is accepted.
Design life 8-10 years under proper use
Depend on how deep you use, when power discharge to 20%, 1200 cycle times; when to 50% –800 cycle times; when to 80% —500 cycle times
Yes, CE, UL,RoHS,ISO,MSDS, CNS
If there is problem happened , we will gather all the picture and according to your using condition to find out what cause this.
We accept EXW,FOB,CIF and so on.
All products will go through strict tests before delivery.
We provide extensive range of services for our customers all over the world, from customized design and installation